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    • Oxidation behaviour of the near α-titanium alloy IMI 834

      K V Sai Srinadh Vakil Singh

      Alloys and Steels Volume 27 Issue 4 August 2004 pp 347-354

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      https://www.ias.ac.in/article/fulltext/boms/027/04/0347-0354

    • Keywords

       

      Near 𝛼-titanium alloy IMI 834; thermogravimetric studies; activation energy; oxidation behaviour; surface morphology.

    • Abstract

       

      Oxidation behaviour of the near 𝛼-titanium alloy IMI 834 was investigated over a range of temperatures, from 600–800°C, in air. Specimens were solution-treated in the 𝛼 + 𝛽 and 𝛽 phase fields for 1 h and 1/2 h, respectively and cooled in air to room temperature. The solution treated samples were subjected to stabilization treatment at 700°C for 2 h, followed by cooling in air. Oxidation behaviour of these samples was studied from 600–800°C in air, for 50 h. The morphology of the scales formed was examined by SEM and the phases present in the scales were characterized by X-ray diffraction. While there was little oxidation at 600°C, the rate of oxidation increased at higher temperatures. In general, the rate of oxidation was found to be more in the 𝛼 + 𝛽 treated condition than that in the 𝛽 treated one. The results are discussed in terms of the characteristics of the oxide film formed under different conditions.

    • Author Affiliations

       

      K V Sai Srinadh1 Vakil Singh1

      1. Centre of Advanced Study, Department of Metallurgical Engineering, Institute of Technology, Banaras Hindu University, Varanasi 221 005, India

    • Dates

       
      Published
      August 2004
      Manuscript received
      27 February 2004

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